“脱铝”的英语？

介绍了降低硅铁合金铝含量的生产方法及其脱铝效果.It introduces decreasing ferrosilicon aluminum content production method and dealumiumazation effect.本发明装置结构简单,并且能够达到镀膜和脱铝双重效果.The inventive device is simple in structure and can incorporate the c...